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maks197457 [2]
2 years ago
12

Evaluate the numerical expression. −8.1 – 3.5 ÷ (−0.5)

Mathematics
1 answer:
beks73 [17]2 years ago
5 0
The answer is -1.1
Hope you get it right
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Can y’all answer the question for me
raketka [301]

Answer:

The answer is A

Step-by-step explanation:

87,688 - 86,789 = 899

4 0
2 years ago
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Which of the three following graphs display the same data?
Zepler [3.9K]

Answer:

B. I and III

Step-by-step explanation:

I and III both have the same data:

March, 73

April 74

May 78

June 84

July 75

II has different data

March 71

April 72

May 85

June 90

July 60

Since I and III have the exact same data, choice B is the best answer

Hope this helps! :)

3 0
2 years ago
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One side of a right triangle is known to be 12 cm long and the opposite angle is measured as 30°, with a possible error of ±1°.
vladimir1956 [14]

Answer:

estimated error=±0.725

Step-by-step explanation:

Side of the triangle= 12cm

Opposite of triangle x= 30

h= hypotenose side

Error= =±1

From trigonometry

Sin(x)=opposite/hypotenose

hypotenose=opposite/sin(x)

h=12/sin(x)

h=12Csc(x)

dh=-12Csc(x)Cot(x) dx...............eqn(1)

dx is the possible error in angle measurements

So we need to convert to radius

dx=±1°× (π/180)

=±1°(π/180)

Substitute x and dx into equation (1)

dh= - 12Csc30°Cot30°×[±(π/180)]

= -12(2)(√3)(±(π/180)

==±0.725

Therefore, estimated error=±0.725

3 0
2 years ago
We are given that ΔABC is isosceles with AB ≅ AC. Using the definition of congruent line segments, we know that . Let’s assume t
joja [24]
AB= AC = 1.3 cm, DE = DF = 1.9 cm, and GH = GJ = 2.3 cm

the triangles are isosceles.



6 0
2 years ago
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Expand the following expression by using the distributive method. 6(3b - 4c)
Kruka [31]
18b - 24c because you multiply the outside with everything inside

8 0
2 years ago
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